Seemless was an American rock supergroup formed by ex-Shadows Fall/Unearth drummer Derek Kerswill, Killswitch Engage vocalist Jesse Leach, and ex-Overcast/Killswitch Engage guitarist Pete Cortese.Formed in 2002 following Leach's departure from Killswitch Engage, Seemless was signed to Equal Vision Records, and released their first self-titled LP. They toured extensively over the next year, quickly making a mark on the rock/metal scene with their mixture of soul and blues elements.